Wiring Diagram Of Head Unit - PE82.85-P-2110-97FCB
Model 253 (except 253.99) as of model year 2020
with code 548 (Connect 20 MID (NTG6))
A26/17
| Code: | Designation: | Position: |
|---|---|---|
| A0 | Use of wiring diagrams | 202L |
| A1 | Instrument cluster | 83L |
| A2/105 | SDARS antenna | 124L |
| A2/105x1 | SDARS antenna electrical connector | 123J |
| A2/161 | Bluetooth®/WiFi antenna | 100L |
| A2/162 | Center Bluetooth®/WiFi antenna | 106L |
| A2/18 | FM 1, AM, CL [ZV] and KEYLESS GO antenna amplifier | 166L |
| A2/19 | FM 2, DAB and TV 2 antenna amplifier | 169L |
| A2/23 | GPS antenna | 129L |
| A2/91 | Bluetooth® antenna | 110L |
| A26/17 | Head unit | 4A |
| A26/17 | Head unit | 12A |
| A26/17 | Head unit | 19A |
| A26/17 | Head unit | 28A |
| A26/17 | Head unit | 36A |
| A26/17 | Head unit | 44A |
| A26/17 | Head unit | 52A |
| A26/17 | Head unit | 60A |
| A26/17 | Head unit | 68A |
| A26/17 | Head unit | 75A |
| A26/17 | Head unit | 84A |
| A26/17 | Head unit | 92A |
| A26/17 | Head unit | 100A |
| A26/17 | Head unit | 108A |
| A26/17 | Head unit | 116A |
| A26/17 | Head unit | 124A |
| A26/17 | Head unit | 132A |
| A26/17 | Head unit | 140A |
| A26/17 | Head unit | 147A |
| A26/17 | Head unit | 156A |
| A26/17 | Head unit | 164A |
| A26/17 | Head unit | 181A |
| A26/17 | Head unit | 172A |
| A26/17 | Head unit | 191A |
| A40/8 | Audio/COMAND® display | 87L |
| A50/6 | Dedicated Short-Range Communications control unit | 140L |
| A50/8 | TV card reader | 175L |
| A90/5 | Multimedia connection unit | 45L |
| A94/5 | TV 1 and DAB band III antenna | 117L |
| A94/7 | TV 3 antenna amplifier | 118L |
| B25/20 | Driver hands-free system microphone | 24L |
| B25/21 | Front passenger hands-free system microphone | 26L |
| B84/14 | Augmented reality camera | 148L |
| CAN A | Telematics CAN | 13K |
| CAN C1 | Drive train CAN | 70K |
| CAN HMI | User interface CAN | 10K |
| Code 218 | Backup camera | 157D |
| Code 218 | Backup camera | 153D |
| Code 21U | Video recording function (dashcam) | 146D |
| Code 235 | Active Park Assist | 158D |
| Code 235 | Active Park Assist | 153D |
| Code 362 | HERMES LTE | 50E |
| Code 362 | HERMES LTE | 130D |
| Code 362 | HERMES LTE | 128D |
| Code 498 | Japan version | 137D |
| Code 536 | SIRIUS satellite radio | 122D |
| Code 549 | Connect 20 HIGH (NTG6) | 104D |
| Code 810 | Sound system | 15D |
| Code 810 | Sound system | 55F |
| Code 810 | Sound system | 68D |
| Code 810 | Sound system | 90D |
| Code 853 | "Midline" sound system | 57D |
| Code 853 | "Midline" sound system | 66D |
| Code 865 | TV tuner | 115D |
| Code 865 | TV tuner | 174D |
| Code 897 | Wireless mobile phone charging | 36D |
| Code 897 | Wireless mobile phone charging | 42D |
| Code 899 | Wireless phone charging at front and antenna | 36D |
| Code 899 | Wireless phone charging at front and antenna | 42D |
| Code B63 | AMG eSound | 68D |
| Code L | LEFT-HAND DRIVE | 34L |
| Code L | LEFT-HAND DRIVE | 23D |
| Code L | LEFT-HAND DRIVE | 61D |
| Code L | LEFT-HAND DRIVE | 65D |
| Code L | LEFT-HAND DRIVE | 127G |
| Code R | RIGHT-HAND DRIVE | 34L |
| Code R | RIGHT-HAND DRIVE | 23D |
| Code R | RIGHT-HAND DRIVE | 63D |
| Code R | RIGHT-HAND DRIVE | 65D |
| Code R | RIGHT-HAND DRIVE | 127G |
| Code U19 | Augmented Reality | 146D |
| F1/3 | Passenger-side A-pillar fuse box | 7L |
| F1/3f304 | Fuse 304 | 5L |
| H4/27 | Center instrument panel speaker | 63L |
| H4/42 | Left footwell woofer | 67L |
| H4/43 | Right footwell woofer | 67L |
| H4/72 | Left front door midrange speaker | 16L |
| H4/73 | Right front door midrange speaker | 18L |
| H4/80 | Left rear door sound system midrange speaker | 20L |
| H4/81 | Right rear door sound system midrange speaker | 22L |
| K40/6 | Driver-side fuse and relay module | 30L |
| K40/6f209 | Fuse 209 | 29L |
| M4/12 | Audio equipment fan motor | 33L |
| M4/12x1 | Digital instrument cluster full display fan motor electrical connector | 32H |
| N112/9 | HERMES control unit | 54L |
| N112/9 | HERMES control unit | 132L |
| N40/3 | Sound system amplifier control unit | 92L |
| N40/9 | Subwoofer amplifier | 59L |
| N62 | Parking system control unit | 155L |
| N66/2 | Backup camera control unit | 159L |
| N66/2x2 | Reversing camera control unit electrical connector 2 | 159H |
| W12 | Ground point (center console) | 6E |
| W34 | Left footwell ground point | 35L |
| W34/3 | Right footwell ground point | 35L |
| X11/4 | Diagnostic connector | 76L |
| X115/5 | Front center console USB connector | 38L |
| X18 | Cockpit wiring harness and frame floor assembly electrical connector | 62F |
| X18 | Cockpit wiring harness and frame floor assembly electrical connector | 32E |
| X18/35 | Cockpit wiring harness and frame floor assembly electrical connector | 64F |
| X30/20 | User interface CAN (CAN HMI) potential distributor electrical connector | 10L |
| X30/21 | Drive train CAN (CAN C1) potential distributor electrical connector | 70L |
| X35/1 | Driver door electrical connector | 16H |
| X35/1 | Driver door electrical connector | 129G |
| X35/2 | Front passenger door electrical connector | 17H |
| X35/2 | Front passenger door electrical connector | 129G |
| X35/3 | Left rear door electrical connector | 19H |
| X35/4 | Right rear door electrical connector | 21H |
| X58/3 | Microphone electrical connector | 24F |
| Z14/2z1 | Microphone connector sleeve (-) | 25H |
| Z245/2z1 | Universal serial bus connector sleeve, ground connection | 40G |
| Z35/31z1 | Head unit CAN (high) connector sleeve | 12L |
| Z35/32z1 | Head unit CAN (low) connector sleeve | 13L |